(function () {
    var $ax = function (url,success,error) {
        this.url = url;
        this.type = "post";
        this.dataType = "json";
        this.async = false;
        this.data = {};
        this.success = success;
        this.error = error;
    }

    $ax.prototype = {
        start : function () {
        	//每次请求判断用户ID是否存在
        	var userId = localStorage.getItem("userId");        	
        	if(!userId){
        		window.location.href=Feng.ctxPath+"auth?locationURL=" + document.URL;        		
        	}

        	
            var me = this;
            if (this.url.indexOf("?") == -1){
                this.url = this.url + "?jstime=" + new Date().getTime();
            }else{
                this.url = this.url + "&jstime=" + new Date().getTime();
            }

            $.ajax({
                type: this.type,
                url: this.url,
                dataType: this.dataType,
                async: this.async,
                data: this.data,
                beforeSend: function(data) {

                },
                success: function(data) {
                    me.success(data);
                },
                error: function(data) {
                    me.error(data);
                }
            });
        },
        set:function(key,value){
           if (typeof key == "object"){
               for (var i in key){
                   if (typeof i == "function"){
                       continue;
                   }
                   this.data[i] = key[i];
               }
           } else{
               this.data[key] = (typeof value == "undefined") ? $("#" + key).val() : value;
           }
           return this;
        },
        setData : function(data){
            this.data = data;
            return this;
        },

        clear : function () {
            this.data = {};
            return this;
        }

    }
    window.$ax = $ax;

})();
